public void Add <TRecord>(DomainName name, RecordType recordType, RecordClass recordClass, IEnumerable <TRecord> records, DnsSecValidationResult validationResult, int timeToLive)
where TRecord : DnsRecordBase
{
DnsCacheRecordList <DnsRecordBase> cacheValues = new DnsCacheRecordList <DnsRecordBase>();
cacheValues.AddRange(records);
cacheValues.ValidationResult = validationResult;
Add(name, recordType, recordClass, cacheValues, timeToLive);
}
public bool TryGetRecords <TRecord>(DomainName name, RecordType recordType, RecordClass recordClass, out DnsCacheRecordList <TRecord> records)
where TRecord : DnsRecordBase
{
CacheKey key = new CacheKey(name, recordType, recordClass);
DateTime utcNow = DateTime.UtcNow;
CacheValue cacheValue;
if (_cache.TryGetValue(key, out cacheValue))
{
if (cacheValue.ExpireDateUtc < utcNow)
{
_cache.TryRemove(key, out cacheValue);
records = null;
return(false);
}
int ttl = (int)(cacheValue.ExpireDateUtc - utcNow).TotalSeconds;
records = new DnsCacheRecordList <TRecord>();
records.AddRange(cacheValue
.Records
.OfType <TRecord>()
.Select(x =>
{
TRecord record = x.Clone <TRecord>();
record.TimeToLive = ttl;
return(record);
}));
records.ReturnCode = cacheValue.Records.ReturnCode;
records.ValidationResult = cacheValue.Records.ValidationResult;
return(true);
}
records = null;
return(false);
}
public CacheValue(DnsCacheRecordList <DnsRecordBase> records, int timeToLive)
{
Records = records;
ExpireDateUtc = DateTime.UtcNow.AddSeconds(timeToLive);
}
public void Add(DomainName name, RecordType recordType, RecordClass recordClass, DnsCacheRecordList <DnsRecordBase> records, int timeToLive)
{
CacheKey key = new CacheKey(name, recordType, recordClass);
_cache.TryAdd(key, new CacheValue(records, timeToLive));
}